Hydraulic wrench



FIG. 1 is a front, bottom and right side perspective view of a hydraulic wrench showing my new design;

FIG. 2 is a is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The broken lines showings in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a hydraulic wrench, as shown and described. 